Toyota Sienna Service Manual: Wiper switch
COMPONENTS
REMOVAL
1. REMOVE STEERING COLUMN COVER
2. REMOVE WINDSHIELD WIPER SWITCH ASSEMBLY
- Disconnect the connector.
- Using a screwdriver, disengage the claw and pull out the windshield wiper switch assembly.
NOTICE: The claw will be broken if pressed hard.
HINT: Tape up the screwdriver tip before use.
INSPECTION
1. INSPECT WINDSHIELD WIPER SWITCH ASSEMBLY
- Continuity Check
- Check the continuity between each of the terminals of the connector.
Standard:
Front Wiper Switch
Front Washer Switch
Rear Wiper Switch
Rear Washer Switch
- Intermittent Operation Check
- Connect the voltmeter (+) terminal to the terminal 7 (+1) of the connector, the voltmeter (-) terminal to the terminal 2 (EW) of the connector.
- Connect the battery (+) to the terminal 17 (+B) of the connector, the battery (-) to the terminal 2 (EW) and the terminal 16 (+S) of the connector.
- Turn the wiper switch into the INT position.
- Connect the battery (+) to the terminal 16 (+S) of the connector for 5 seconds.
- Connect the battery (-) to the terminal 16 (+S) of the connector. Operate the intermittent wiper relay and check voltage between the terminal 7 (+1) and the terminal 2 (EW).
- Operation Check (Front Wiper)
- Turn the wiper switch into the OFF position.
- Connect the battery (+) to the terminal 17 (+B) of the connector, the battery (-) to the terminal 16 (+S) and 2 (EW) of the connector.
- Connect the voltmeter (+) terminal to the terminal 7 (+1) of the connector, the voltmeter (-) terminal to the terminal 2 (EW) of the connector. Turn the washer switch ON and OFF and check voltage between the terminal 7 (+1) and the terminal 2 (EW).
INSTALLATION
1. INSTALL WINDSHIELD WIPER SWITCH ASSEMBLY
2. REMOVE STEERING COLUMN COVER
Rear wiper rubber
COMPONENTS
REMOVAL
1. REMOVE REAR WIPER BLADE ASSEMBLY
Remove the rear wiper arm head cap from the rear
wiper arm.
Raise the rear wiper blade to the position as shown
i ...
Front washer motor
ON-VEHICLE INSPECTION
1. INSPECT FRONT WASHER MOTOR
Operation Check
Pour the water into the washer jar with the
windshield washer motor and pump installed to
the washer ...
Other materials:
Jump-starting
General information
If the battery is discharged, the engine can be
started using the battery of another vehicle and
two jumper cables. Only use jumper cables with
fully insulated clamp handles.
Safety information
DANGER
Contact with live components can lead to an
electric shock. There is a risk of ...
Installation
1. INSTALL SPIRAL CABLE
Check that the front wheels are facing straight
ahead.
Set the turn signal switch to the neutral position.
NOTICE:
If it is not in the neutral position, the pin of the
turn signal switch may snap.
Install the spiral cable.
NOTICE:
...
On-vehicle inspection
1. INSPECT BRAKE BOOSTER
(a) Air tightness check.
(1) Start the engine and stop it after 1 or 2 minutes.
Depress the brake pedal several times slowly.
HINT:
If the pedal goes down farthest at the 1st time,
and gradually rises at the 2nd or 3rd time, the
booster is airtight.
(2) Depre ...
